Definition of rhea
: either of two South American ratite birds (Rhea americana and Pterocnemia pennata of the family Rheidae) that resemble but are smaller than the African ostrich and that have three toes, a fully feathered head and neck, an undeveloped tail, and pale gray to brownish feathers that droop over the rump and back
Origin of rhea
New Latin, genus of birds, probably from Latin Rhea, mother of Zeus, from Greek
First Known Use: 1797
RHEA Defined for Kids
Definition of rhea for Students
: a tall flightless South American bird that resembles but is smaller than the ostrich
Learn More about rhea
Britannica.com: Encyclopedia article about "rhea"
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